19311945

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 32102400

約数和(自身を除く): 12790455

約数列:

[1, 3, 5, 15, 43, 79, 129, 215, 237, 379, 395, 645, 1137, 1185, 1895, 3397, 5685, 10191, 16297, 16985, 29941, 48891, 50955, 81485, 89823, 149705, 244455, 449115, 1287463, 3862389, 6437315, 19311945]

約数ペア:

[(1, 19311945), (3, 6437315), (5, 3862389), (15, 1287463), (43, 449115), (79, 244455), (129, 149705), (215, 89823), (237, 81485), (379, 50955), (395, 48891), (645, 29941), (1137, 16985), (1185, 16297), (1895, 10191), (3397, 5685)]